forked from OSchip/llvm-project
1698 lines
70 KiB
C++
1698 lines
70 KiB
C++
//===-- PlatformDarwin.cpp --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "PlatformDarwin.h"
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// C Includes
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#include <string.h>
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// C++ Includes
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#include <algorithm>
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#include <mutex>
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// Other libraries and framework includes
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#include "clang/Basic/VersionTuple.h"
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// Project includes
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Breakpoint/BreakpointSite.h"
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#include "lldb/Core/Debugger.h"
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#include "lldb/Core/Error.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Host/FileSystem.h"
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#include "lldb/Host/Symbols.h"
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#include "lldb/Host/StringConvert.h"
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#include "lldb/Host/XML.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/SymbolFile.h"
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#include "lldb/Symbol/SymbolVendor.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "llvm/ADT/STLExtras.h"
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#if defined (__APPLE__)
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#include <TargetConditionals.h> // for TARGET_OS_TV, TARGET_OS_WATCH
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#endif
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using namespace lldb;
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using namespace lldb_private;
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//------------------------------------------------------------------
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/// Default Constructor
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//------------------------------------------------------------------
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PlatformDarwin::PlatformDarwin (bool is_host) :
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PlatformPOSIX(is_host), // This is the local host platform
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m_developer_directory ()
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{
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}
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//------------------------------------------------------------------
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/// Destructor.
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///
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/// The destructor is virtual since this class is designed to be
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/// inherited from by the plug-in instance.
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//------------------------------------------------------------------
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PlatformDarwin::~PlatformDarwin()
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{
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}
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FileSpecList
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PlatformDarwin::LocateExecutableScriptingResources (Target *target,
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Module &module,
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Stream* feedback_stream)
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{
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FileSpecList file_list;
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if (target && target->GetDebugger().GetScriptLanguage() == eScriptLanguagePython)
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{
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// NB some extensions might be meaningful and should not be stripped - "this.binary.file"
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// should not lose ".file" but GetFileNameStrippingExtension() will do precisely that.
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// Ideally, we should have a per-platform list of extensions (".exe", ".app", ".dSYM", ".framework")
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// which should be stripped while leaving "this.binary.file" as-is.
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ScriptInterpreter *script_interpreter = target->GetDebugger().GetCommandInterpreter().GetScriptInterpreter();
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FileSpec module_spec = module.GetFileSpec();
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if (module_spec)
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{
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SymbolVendor *symbols = module.GetSymbolVendor ();
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if (symbols)
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{
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SymbolFile *symfile = symbols->GetSymbolFile();
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if (symfile)
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{
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ObjectFile *objfile = symfile->GetObjectFile();
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if (objfile)
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{
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FileSpec symfile_spec (objfile->GetFileSpec());
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if (symfile_spec && symfile_spec.Exists())
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{
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while (module_spec.GetFilename())
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{
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std::string module_basename (module_spec.GetFilename().GetCString());
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std::string original_module_basename (module_basename);
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bool was_keyword = false;
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// FIXME: for Python, we cannot allow certain characters in module
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// filenames we import. Theoretically, different scripting languages may
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// have different sets of forbidden tokens in filenames, and that should
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// be dealt with by each ScriptInterpreter. For now, we just replace dots
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// with underscores, but if we ever support anything other than Python
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// we will need to rework this
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std::replace(module_basename.begin(), module_basename.end(), '.', '_');
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std::replace(module_basename.begin(), module_basename.end(), ' ', '_');
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std::replace(module_basename.begin(), module_basename.end(), '-', '_');
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if (script_interpreter && script_interpreter->IsReservedWord(module_basename.c_str()))
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{
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module_basename.insert(module_basename.begin(), '_');
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was_keyword = true;
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}
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StreamString path_string;
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StreamString original_path_string;
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// for OSX we are going to be in .dSYM/Contents/Resources/DWARF/<basename>
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// let us go to .dSYM/Contents/Resources/Python/<basename>.py and see if the file exists
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path_string.Printf("%s/../Python/%s.py",symfile_spec.GetDirectory().GetCString(), module_basename.c_str());
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original_path_string.Printf("%s/../Python/%s.py",symfile_spec.GetDirectory().GetCString(), original_module_basename.c_str());
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FileSpec script_fspec(path_string.GetData(), true);
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FileSpec orig_script_fspec(original_path_string.GetData(), true);
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// if we did some replacements of reserved characters, and a file with the untampered name
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// exists, then warn the user that the file as-is shall not be loaded
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if (feedback_stream)
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{
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if (module_basename != original_module_basename
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&& orig_script_fspec.Exists())
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{
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const char* reason_for_complaint = was_keyword ? "conflicts with a keyword" : "contains reserved characters";
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if (script_fspec.Exists())
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feedback_stream->Printf("warning: the symbol file '%s' contains a debug script. However, its name"
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" '%s' %s and as such cannot be loaded. LLDB will"
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" load '%s' instead. Consider removing the file with the malformed name to"
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" eliminate this warning.\n",
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symfile_spec.GetPath().c_str(),
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original_path_string.GetData(),
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reason_for_complaint,
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path_string.GetData());
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else
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feedback_stream->Printf("warning: the symbol file '%s' contains a debug script. However, its name"
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" %s and as such cannot be loaded. If you intend"
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" to have this script loaded, please rename '%s' to '%s' and retry.\n",
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symfile_spec.GetPath().c_str(),
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reason_for_complaint,
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original_path_string.GetData(),
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path_string.GetData());
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}
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}
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if (script_fspec.Exists())
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{
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file_list.Append (script_fspec);
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break;
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}
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// If we didn't find the python file, then keep
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// stripping the extensions and try again
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ConstString filename_no_extension (module_spec.GetFileNameStrippingExtension());
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if (module_spec.GetFilename() == filename_no_extension)
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break;
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module_spec.GetFilename() = filename_no_extension;
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}
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}
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}
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}
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}
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}
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}
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return file_list;
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}
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Error
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PlatformDarwin::ResolveExecutable (const ModuleSpec &module_spec,
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lldb::ModuleSP &exe_module_sp,
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const FileSpecList *module_search_paths_ptr)
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{
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Error error;
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// Nothing special to do here, just use the actual file and architecture
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char exe_path[PATH_MAX];
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ModuleSpec resolved_module_spec(module_spec);
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if (IsHost())
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{
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// If we have "ls" as the exe_file, resolve the executable loation based on
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// the current path variables
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if (!resolved_module_spec.GetFileSpec().Exists())
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{
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module_spec.GetFileSpec().GetPath (exe_path, sizeof(exe_path));
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resolved_module_spec.GetFileSpec().SetFile(exe_path, true);
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}
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if (!resolved_module_spec.GetFileSpec().Exists())
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resolved_module_spec.GetFileSpec().ResolveExecutableLocation ();
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// Resolve any executable within a bundle on MacOSX
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Host::ResolveExecutableInBundle (resolved_module_spec.GetFileSpec());
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if (resolved_module_spec.GetFileSpec().Exists())
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error.Clear();
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else
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{
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const uint32_t permissions = resolved_module_spec.GetFileSpec().GetPermissions();
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if (permissions && (permissions & eFilePermissionsEveryoneR) == 0)
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error.SetErrorStringWithFormat ("executable '%s' is not readable", resolved_module_spec.GetFileSpec().GetPath().c_str());
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else
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error.SetErrorStringWithFormat ("unable to find executable for '%s'", resolved_module_spec.GetFileSpec().GetPath().c_str());
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}
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}
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else
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{
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if (m_remote_platform_sp)
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{
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error = GetCachedExecutable (resolved_module_spec, exe_module_sp, module_search_paths_ptr, *m_remote_platform_sp);
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}
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else
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{
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// We may connect to a process and use the provided executable (Don't use local $PATH).
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// Resolve any executable within a bundle on MacOSX
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Host::ResolveExecutableInBundle (resolved_module_spec.GetFileSpec());
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if (resolved_module_spec.GetFileSpec().Exists())
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error.Clear();
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else
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error.SetErrorStringWithFormat("the platform is not currently connected, and '%s' doesn't exist in the system root.", resolved_module_spec.GetFileSpec().GetFilename().AsCString(""));
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}
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}
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if (error.Success())
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{
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if (resolved_module_spec.GetArchitecture().IsValid())
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{
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error = ModuleList::GetSharedModule (resolved_module_spec,
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exe_module_sp,
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module_search_paths_ptr,
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NULL,
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NULL);
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if (error.Fail() || exe_module_sp.get() == NULL || exe_module_sp->GetObjectFile() == NULL)
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{
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exe_module_sp.reset();
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error.SetErrorStringWithFormat ("'%s' doesn't contain the architecture %s",
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resolved_module_spec.GetFileSpec().GetPath().c_str(),
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resolved_module_spec.GetArchitecture().GetArchitectureName());
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}
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}
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else
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{
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// No valid architecture was specified, ask the platform for
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// the architectures that we should be using (in the correct order)
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// and see if we can find a match that way
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StreamString arch_names;
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for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, resolved_module_spec.GetArchitecture()); ++idx)
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{
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error = GetSharedModule (resolved_module_spec,
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NULL,
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exe_module_sp,
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module_search_paths_ptr,
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NULL,
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NULL);
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// Did we find an executable using one of the
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if (error.Success())
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{
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if (exe_module_sp && exe_module_sp->GetObjectFile())
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break;
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else
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error.SetErrorToGenericError();
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}
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if (idx > 0)
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arch_names.PutCString (", ");
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arch_names.PutCString (resolved_module_spec.GetArchitecture().GetArchitectureName());
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}
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if (error.Fail() || !exe_module_sp)
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{
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if (resolved_module_spec.GetFileSpec().Readable())
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{
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error.SetErrorStringWithFormat ("'%s' doesn't contain any '%s' platform architectures: %s",
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resolved_module_spec.GetFileSpec().GetPath().c_str(),
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GetPluginName().GetCString(),
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arch_names.GetString().c_str());
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}
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else
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{
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error.SetErrorStringWithFormat("'%s' is not readable", resolved_module_spec.GetFileSpec().GetPath().c_str());
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}
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}
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}
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}
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return error;
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}
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Error
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PlatformDarwin::ResolveSymbolFile (Target &target,
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const ModuleSpec &sym_spec,
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FileSpec &sym_file)
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{
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Error error;
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sym_file = sym_spec.GetSymbolFileSpec();
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if (sym_file.Exists())
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{
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if (sym_file.GetFileType() == FileSpec::eFileTypeDirectory)
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{
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sym_file = Symbols::FindSymbolFileInBundle (sym_file,
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sym_spec.GetUUIDPtr(),
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sym_spec.GetArchitecturePtr());
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}
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}
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else
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{
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if (sym_spec.GetUUID().IsValid())
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{
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}
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}
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return error;
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}
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static lldb_private::Error
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MakeCacheFolderForFile (const FileSpec& module_cache_spec)
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{
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FileSpec module_cache_folder = module_cache_spec.CopyByRemovingLastPathComponent();
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return FileSystem::MakeDirectory(module_cache_folder, eFilePermissionsDirectoryDefault);
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}
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static lldb_private::Error
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BringInRemoteFile (Platform* platform,
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const lldb_private::ModuleSpec &module_spec,
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const FileSpec& module_cache_spec)
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{
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MakeCacheFolderForFile(module_cache_spec);
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Error err = platform->GetFile(module_spec.GetFileSpec(), module_cache_spec);
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return err;
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}
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lldb_private::Error
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PlatformDarwin::GetSharedModuleWithLocalCache (const lldb_private::ModuleSpec &module_spec,
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lldb::ModuleSP &module_sp,
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const lldb_private::FileSpecList *module_search_paths_ptr,
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lldb::ModuleSP *old_module_sp_ptr,
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bool *did_create_ptr)
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{
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] Trying to find module %s/%s - platform path %s/%s symbol path %s/%s",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString(),
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module_spec.GetPlatformFileSpec().GetDirectory().AsCString(),
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module_spec.GetPlatformFileSpec().GetFilename().AsCString(),
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module_spec.GetSymbolFileSpec().GetDirectory().AsCString(),
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module_spec.GetSymbolFileSpec().GetFilename().AsCString());
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Error err;
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err = ModuleList::GetSharedModule(module_spec, module_sp, module_search_paths_ptr, old_module_sp_ptr, did_create_ptr);
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if (module_sp)
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return err;
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if (!IsHost())
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{
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std::string cache_path(GetLocalCacheDirectory());
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// Only search for a locally cached file if we have a valid cache path
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if (!cache_path.empty())
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{
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std::string module_path (module_spec.GetFileSpec().GetPath());
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cache_path.append(module_path);
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FileSpec module_cache_spec(cache_path.c_str(),false);
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// if rsync is supported, always bring in the file - rsync will be very efficient
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// when files are the same on the local and remote end of the connection
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if (this->GetSupportsRSync())
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{
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err = BringInRemoteFile (this, module_spec, module_cache_spec);
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if (err.Fail())
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return err;
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if (module_cache_spec.Exists())
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{
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] module %s/%s was rsynced and is now there",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture());
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module_sp.reset(new Module(local_spec));
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module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
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return Error();
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}
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}
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// try to find the module in the cache
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if (module_cache_spec.Exists())
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{
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// get the local and remote MD5 and compare
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if (m_remote_platform_sp)
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{
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// when going over the *slow* GDB remote transfer mechanism we first check
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// the hashes of the files - and only do the actual transfer if they differ
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uint64_t high_local,high_remote,low_local,low_remote;
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FileSystem::CalculateMD5(module_cache_spec, low_local, high_local);
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m_remote_platform_sp->CalculateMD5(module_spec.GetFileSpec(), low_remote, high_remote);
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if (low_local != low_remote || high_local != high_remote)
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{
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// bring in the remote file
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] module %s/%s needs to be replaced from remote copy",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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Error err = BringInRemoteFile (this, module_spec, module_cache_spec);
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if (err.Fail())
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return err;
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}
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}
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ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture());
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module_sp.reset(new Module(local_spec));
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module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] module %s/%s was found in the cache",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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return Error();
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}
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// bring in the remote module file
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if (log)
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log->Printf("[%s] module %s/%s needs to come in remotely",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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Error err = BringInRemoteFile (this, module_spec, module_cache_spec);
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if (err.Fail())
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return err;
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if (module_cache_spec.Exists())
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{
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM));
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if (log)
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log->Printf("[%s] module %s/%s is now cached and fine",
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(IsHost() ? "host" : "remote"),
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module_spec.GetFileSpec().GetDirectory().AsCString(),
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module_spec.GetFileSpec().GetFilename().AsCString());
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ModuleSpec local_spec(module_cache_spec, module_spec.GetArchitecture());
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module_sp.reset(new Module(local_spec));
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module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
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return Error();
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}
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else
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return Error("unable to obtain valid module file");
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}
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else
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return Error("no cache path");
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}
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else
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return Error ("unable to resolve module");
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}
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Error
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PlatformDarwin::GetSharedModule (const ModuleSpec &module_spec,
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Process* process,
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ModuleSP &module_sp,
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const FileSpecList *module_search_paths_ptr,
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ModuleSP *old_module_sp_ptr,
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bool *did_create_ptr)
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{
|
|
Error error;
|
|
module_sp.reset();
|
|
|
|
if (IsRemote())
|
|
{
|
|
// If we have a remote platform always, let it try and locate
|
|
// the shared module first.
|
|
if (m_remote_platform_sp)
|
|
{
|
|
error = m_remote_platform_sp->GetSharedModule (module_spec,
|
|
process,
|
|
module_sp,
|
|
module_search_paths_ptr,
|
|
old_module_sp_ptr,
|
|
did_create_ptr);
|
|
}
|
|
}
|
|
|
|
if (!module_sp)
|
|
{
|
|
// Fall back to the local platform and find the file locally
|
|
error = Platform::GetSharedModule (module_spec,
|
|
process,
|
|
module_sp,
|
|
module_search_paths_ptr,
|
|
old_module_sp_ptr,
|
|
did_create_ptr);
|
|
|
|
const FileSpec &platform_file = module_spec.GetFileSpec();
|
|
if (!module_sp && module_search_paths_ptr && platform_file)
|
|
{
|
|
// We can try to pull off part of the file path up to the bundle
|
|
// directory level and try any module search paths...
|
|
FileSpec bundle_directory;
|
|
if (Host::GetBundleDirectory (platform_file, bundle_directory))
|
|
{
|
|
if (platform_file == bundle_directory)
|
|
{
|
|
ModuleSpec new_module_spec (module_spec);
|
|
new_module_spec.GetFileSpec() = bundle_directory;
|
|
if (Host::ResolveExecutableInBundle (new_module_spec.GetFileSpec()))
|
|
{
|
|
Error new_error (Platform::GetSharedModule (new_module_spec,
|
|
process,
|
|
module_sp,
|
|
NULL,
|
|
old_module_sp_ptr,
|
|
did_create_ptr));
|
|
|
|
if (module_sp)
|
|
return new_error;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
char platform_path[PATH_MAX];
|
|
char bundle_dir[PATH_MAX];
|
|
platform_file.GetPath (platform_path, sizeof(platform_path));
|
|
const size_t bundle_directory_len = bundle_directory.GetPath (bundle_dir, sizeof(bundle_dir));
|
|
char new_path[PATH_MAX];
|
|
size_t num_module_search_paths = module_search_paths_ptr->GetSize();
|
|
for (size_t i=0; i<num_module_search_paths; ++i)
|
|
{
|
|
const size_t search_path_len = module_search_paths_ptr->GetFileSpecAtIndex(i).GetPath(new_path, sizeof(new_path));
|
|
if (search_path_len < sizeof(new_path))
|
|
{
|
|
snprintf (new_path + search_path_len, sizeof(new_path) - search_path_len, "/%s", platform_path + bundle_directory_len);
|
|
FileSpec new_file_spec (new_path, false);
|
|
if (new_file_spec.Exists())
|
|
{
|
|
ModuleSpec new_module_spec (module_spec);
|
|
new_module_spec.GetFileSpec() = new_file_spec;
|
|
Error new_error (Platform::GetSharedModule (new_module_spec,
|
|
process,
|
|
module_sp,
|
|
NULL,
|
|
old_module_sp_ptr,
|
|
did_create_ptr));
|
|
|
|
if (module_sp)
|
|
{
|
|
module_sp->SetPlatformFileSpec(new_file_spec);
|
|
return new_error;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (module_sp)
|
|
module_sp->SetPlatformFileSpec(module_spec.GetFileSpec());
|
|
return error;
|
|
}
|
|
|
|
size_t
|
|
PlatformDarwin::GetSoftwareBreakpointTrapOpcode (Target &target, BreakpointSite *bp_site)
|
|
{
|
|
const uint8_t *trap_opcode = nullptr;
|
|
uint32_t trap_opcode_size = 0;
|
|
bool bp_is_thumb = false;
|
|
|
|
llvm::Triple::ArchType machine = target.GetArchitecture().GetMachine();
|
|
switch (machine)
|
|
{
|
|
case llvm::Triple::aarch64:
|
|
{
|
|
// TODO: fix this with actual darwin breakpoint opcode for arm64.
|
|
// right now debugging uses the Z packets with GDB remote so this
|
|
// is not needed, but the size needs to be correct...
|
|
static const uint8_t g_arm64_breakpoint_opcode[] = { 0xFE, 0xDE, 0xFF, 0xE7 };
|
|
trap_opcode = g_arm64_breakpoint_opcode;
|
|
trap_opcode_size = sizeof(g_arm64_breakpoint_opcode);
|
|
}
|
|
break;
|
|
|
|
case llvm::Triple::thumb:
|
|
bp_is_thumb = true;
|
|
LLVM_FALLTHROUGH;
|
|
case llvm::Triple::arm:
|
|
{
|
|
static const uint8_t g_arm_breakpoint_opcode[] = { 0xFE, 0xDE, 0xFF, 0xE7 };
|
|
static const uint8_t g_thumb_breakpooint_opcode[] = { 0xFE, 0xDE };
|
|
|
|
// Auto detect arm/thumb if it wasn't explicitly specified
|
|
if (!bp_is_thumb)
|
|
{
|
|
lldb::BreakpointLocationSP bp_loc_sp (bp_site->GetOwnerAtIndex (0));
|
|
if (bp_loc_sp)
|
|
bp_is_thumb = bp_loc_sp->GetAddress().GetAddressClass () == eAddressClassCodeAlternateISA;
|
|
}
|
|
if (bp_is_thumb)
|
|
{
|
|
trap_opcode = g_thumb_breakpooint_opcode;
|
|
trap_opcode_size = sizeof(g_thumb_breakpooint_opcode);
|
|
break;
|
|
}
|
|
trap_opcode = g_arm_breakpoint_opcode;
|
|
trap_opcode_size = sizeof(g_arm_breakpoint_opcode);
|
|
}
|
|
break;
|
|
|
|
case llvm::Triple::ppc:
|
|
case llvm::Triple::ppc64:
|
|
{
|
|
static const uint8_t g_ppc_breakpoint_opcode[] = { 0x7F, 0xC0, 0x00, 0x08 };
|
|
trap_opcode = g_ppc_breakpoint_opcode;
|
|
trap_opcode_size = sizeof(g_ppc_breakpoint_opcode);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return Platform::GetSoftwareBreakpointTrapOpcode(target, bp_site);
|
|
}
|
|
|
|
if (trap_opcode && trap_opcode_size)
|
|
{
|
|
if (bp_site->SetTrapOpcode(trap_opcode, trap_opcode_size))
|
|
return trap_opcode_size;
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
bool
|
|
PlatformDarwin::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info)
|
|
{
|
|
bool success = false;
|
|
if (IsHost())
|
|
{
|
|
success = Platform::GetProcessInfo (pid, process_info);
|
|
}
|
|
else
|
|
{
|
|
if (m_remote_platform_sp)
|
|
success = m_remote_platform_sp->GetProcessInfo (pid, process_info);
|
|
}
|
|
return success;
|
|
}
|
|
|
|
uint32_t
|
|
PlatformDarwin::FindProcesses (const ProcessInstanceInfoMatch &match_info,
|
|
ProcessInstanceInfoList &process_infos)
|
|
{
|
|
uint32_t match_count = 0;
|
|
if (IsHost())
|
|
{
|
|
// Let the base class figure out the host details
|
|
match_count = Platform::FindProcesses (match_info, process_infos);
|
|
}
|
|
else
|
|
{
|
|
// If we are remote, we can only return results if we are connected
|
|
if (m_remote_platform_sp)
|
|
match_count = m_remote_platform_sp->FindProcesses (match_info, process_infos);
|
|
}
|
|
return match_count;
|
|
}
|
|
|
|
bool
|
|
PlatformDarwin::ModuleIsExcludedForUnconstrainedSearches (lldb_private::Target &target, const lldb::ModuleSP &module_sp)
|
|
{
|
|
if (!module_sp)
|
|
return false;
|
|
|
|
ObjectFile *obj_file = module_sp->GetObjectFile();
|
|
if (!obj_file)
|
|
return false;
|
|
|
|
ObjectFile::Type obj_type = obj_file->GetType();
|
|
if (obj_type == ObjectFile::eTypeDynamicLinker)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
PlatformDarwin::x86GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch)
|
|
{
|
|
ArchSpec host_arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault);
|
|
if (host_arch.GetCore() == ArchSpec::eCore_x86_64_x86_64h)
|
|
{
|
|
switch (idx)
|
|
{
|
|
case 0:
|
|
arch = host_arch;
|
|
return true;
|
|
|
|
case 1:
|
|
arch.SetTriple("x86_64-apple-macosx");
|
|
return true;
|
|
|
|
case 2:
|
|
arch = HostInfo::GetArchitecture(HostInfo::eArchKind32);
|
|
return true;
|
|
|
|
default: return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (idx == 0)
|
|
{
|
|
arch = HostInfo::GetArchitecture(HostInfo::eArchKindDefault);
|
|
return arch.IsValid();
|
|
}
|
|
else if (idx == 1)
|
|
{
|
|
ArchSpec platform_arch(HostInfo::GetArchitecture(HostInfo::eArchKindDefault));
|
|
ArchSpec platform_arch64(HostInfo::GetArchitecture(HostInfo::eArchKind64));
|
|
if (platform_arch.IsExactMatch(platform_arch64))
|
|
{
|
|
// This macosx platform supports both 32 and 64 bit. Since we already
|
|
// returned the 64 bit arch for idx == 0, return the 32 bit arch
|
|
// for idx == 1
|
|
arch = HostInfo::GetArchitecture(HostInfo::eArchKind32);
|
|
return arch.IsValid();
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// The architecture selection rules for arm processors
|
|
// These cpu subtypes have distinct names (e.g. armv7f) but armv7 binaries run fine on an armv7f processor.
|
|
|
|
bool
|
|
PlatformDarwin::ARMGetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch)
|
|
{
|
|
ArchSpec system_arch (GetSystemArchitecture());
|
|
|
|
// When lldb is running on a watch or tv, set the arch OS name appropriately.
|
|
#if defined (TARGET_OS_TV) && TARGET_OS_TV == 1
|
|
#define OSNAME "tvos"
|
|
#elif defined (TARGET_OS_WATCH) && TARGET_OS_WATCH == 1
|
|
#define OSNAME "watchos"
|
|
#else
|
|
#define OSNAME "ios"
|
|
#endif
|
|
|
|
const ArchSpec::Core system_core = system_arch.GetCore();
|
|
switch (system_core)
|
|
{
|
|
default:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("arm64-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv7f-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv7k-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv7s-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("armv7m-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("armv7em-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 12: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 13: arch.SetTriple ("thumbv7f-apple-" OSNAME); return true;
|
|
case 14: arch.SetTriple ("thumbv7k-apple-" OSNAME); return true;
|
|
case 15: arch.SetTriple ("thumbv7s-apple-" OSNAME); return true;
|
|
case 16: arch.SetTriple ("thumbv7m-apple-" OSNAME); return true;
|
|
case 17: arch.SetTriple ("thumbv7em-apple-" OSNAME); return true;
|
|
case 18: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 19: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 20: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 21: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 22: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_arm64:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("arm64-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv7s-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv7f-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv7m-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv7em-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 12: arch.SetTriple ("thumbv7f-apple-" OSNAME); return true;
|
|
case 13: arch.SetTriple ("thumbv7k-apple-" OSNAME); return true;
|
|
case 14: arch.SetTriple ("thumbv7s-apple-" OSNAME); return true;
|
|
case 15: arch.SetTriple ("thumbv7m-apple-" OSNAME); return true;
|
|
case 16: arch.SetTriple ("thumbv7em-apple-" OSNAME); return true;
|
|
case 17: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 18: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 19: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 20: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 21: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7f:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv7f-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumbv7f-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 12: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 13: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7k:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv7k-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumbv7k-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 12: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 13: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7s:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv7s-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumbv7s-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 12: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 13: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7m:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv7m-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumbv7m-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 12: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 13: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7em:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv7em-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumbv7em-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 12: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 13: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv7:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv7-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("thumbv7-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 10: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 11: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv6m:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv6m-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("thumbv6m-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 8: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 9: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv6:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv6-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("thumbv6-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 6: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 7: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv5:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv5-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("thumbv5-apple-" OSNAME); return true;
|
|
case 4: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 5: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
|
|
case ArchSpec::eCore_arm_armv4:
|
|
switch (idx)
|
|
{
|
|
case 0: arch.SetTriple ("armv4-apple-" OSNAME); return true;
|
|
case 1: arch.SetTriple ("arm-apple-" OSNAME); return true;
|
|
case 2: arch.SetTriple ("thumbv4t-apple-" OSNAME); return true;
|
|
case 3: arch.SetTriple ("thumb-apple-" OSNAME); return true;
|
|
default: break;
|
|
}
|
|
break;
|
|
}
|
|
arch.Clear();
|
|
return false;
|
|
}
|
|
|
|
|
|
const char *
|
|
PlatformDarwin::GetDeveloperDirectory()
|
|
{
|
|
std::lock_guard<std::mutex> guard(m_mutex);
|
|
if (m_developer_directory.empty())
|
|
{
|
|
bool developer_dir_path_valid = false;
|
|
char developer_dir_path[PATH_MAX];
|
|
FileSpec temp_file_spec;
|
|
if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, temp_file_spec))
|
|
{
|
|
if (temp_file_spec.GetPath (developer_dir_path, sizeof(developer_dir_path)))
|
|
{
|
|
char *shared_frameworks = strstr (developer_dir_path, "/SharedFrameworks/LLDB.framework");
|
|
if (shared_frameworks)
|
|
{
|
|
::snprintf (shared_frameworks,
|
|
sizeof(developer_dir_path) - (shared_frameworks - developer_dir_path),
|
|
"/Developer");
|
|
developer_dir_path_valid = true;
|
|
}
|
|
else
|
|
{
|
|
char *lib_priv_frameworks = strstr (developer_dir_path, "/Library/PrivateFrameworks/LLDB.framework");
|
|
if (lib_priv_frameworks)
|
|
{
|
|
*lib_priv_frameworks = '\0';
|
|
developer_dir_path_valid = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!developer_dir_path_valid)
|
|
{
|
|
std::string xcode_dir_path;
|
|
const char *xcode_select_prefix_dir = getenv ("XCODE_SELECT_PREFIX_DIR");
|
|
if (xcode_select_prefix_dir)
|
|
xcode_dir_path.append (xcode_select_prefix_dir);
|
|
xcode_dir_path.append ("/usr/share/xcode-select/xcode_dir_path");
|
|
temp_file_spec.SetFile(xcode_dir_path.c_str(), false);
|
|
size_t bytes_read = temp_file_spec.ReadFileContents(0, developer_dir_path, sizeof(developer_dir_path), NULL);
|
|
if (bytes_read > 0)
|
|
{
|
|
developer_dir_path[bytes_read] = '\0';
|
|
while (developer_dir_path[bytes_read-1] == '\r' ||
|
|
developer_dir_path[bytes_read-1] == '\n')
|
|
developer_dir_path[--bytes_read] = '\0';
|
|
developer_dir_path_valid = true;
|
|
}
|
|
}
|
|
|
|
if (!developer_dir_path_valid)
|
|
{
|
|
FileSpec xcode_select_cmd ("/usr/bin/xcode-select", false);
|
|
if (xcode_select_cmd.Exists())
|
|
{
|
|
int exit_status = -1;
|
|
int signo = -1;
|
|
std::string command_output;
|
|
Error error = Host::RunShellCommand ("/usr/bin/xcode-select --print-path",
|
|
NULL, // current working directory
|
|
&exit_status,
|
|
&signo,
|
|
&command_output,
|
|
2, // short timeout
|
|
false); // don't run in a shell
|
|
if (error.Success() && exit_status == 0 && !command_output.empty())
|
|
{
|
|
const char *cmd_output_ptr = command_output.c_str();
|
|
developer_dir_path[sizeof (developer_dir_path) - 1] = '\0';
|
|
size_t i;
|
|
for (i = 0; i < sizeof (developer_dir_path) - 1; i++)
|
|
{
|
|
if (cmd_output_ptr[i] == '\r' || cmd_output_ptr[i] == '\n' || cmd_output_ptr[i] == '\0')
|
|
break;
|
|
developer_dir_path[i] = cmd_output_ptr[i];
|
|
}
|
|
developer_dir_path[i] = '\0';
|
|
|
|
FileSpec devel_dir (developer_dir_path, false);
|
|
if (devel_dir.Exists() && devel_dir.IsDirectory())
|
|
{
|
|
developer_dir_path_valid = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (developer_dir_path_valid)
|
|
{
|
|
temp_file_spec.SetFile (developer_dir_path, false);
|
|
if (temp_file_spec.Exists())
|
|
{
|
|
m_developer_directory.assign (developer_dir_path);
|
|
return m_developer_directory.c_str();
|
|
}
|
|
}
|
|
// Assign a single NULL character so we know we tried to find the device
|
|
// support directory and we don't keep trying to find it over and over.
|
|
m_developer_directory.assign (1, '\0');
|
|
}
|
|
|
|
// We should have put a single NULL character into m_developer_directory
|
|
// or it should have a valid path if the code gets here
|
|
assert (m_developer_directory.empty() == false);
|
|
if (m_developer_directory[0])
|
|
return m_developer_directory.c_str();
|
|
return NULL;
|
|
}
|
|
|
|
|
|
BreakpointSP
|
|
PlatformDarwin::SetThreadCreationBreakpoint (Target &target)
|
|
{
|
|
BreakpointSP bp_sp;
|
|
static const char *g_bp_names[] =
|
|
{
|
|
"start_wqthread",
|
|
"_pthread_wqthread",
|
|
"_pthread_start",
|
|
};
|
|
|
|
static const char *g_bp_modules[] =
|
|
{
|
|
"libsystem_c.dylib",
|
|
"libSystem.B.dylib"
|
|
};
|
|
|
|
FileSpecList bp_modules;
|
|
for (size_t i = 0; i < llvm::array_lengthof(g_bp_modules); i++)
|
|
{
|
|
const char *bp_module = g_bp_modules[i];
|
|
bp_modules.Append(FileSpec(bp_module, false));
|
|
}
|
|
|
|
bool internal = true;
|
|
bool hardware = false;
|
|
LazyBool skip_prologue = eLazyBoolNo;
|
|
bp_sp = target.CreateBreakpoint (&bp_modules,
|
|
NULL,
|
|
g_bp_names,
|
|
llvm::array_lengthof(g_bp_names),
|
|
eFunctionNameTypeFull,
|
|
eLanguageTypeUnknown,
|
|
0,
|
|
skip_prologue,
|
|
internal,
|
|
hardware);
|
|
bp_sp->SetBreakpointKind("thread-creation");
|
|
|
|
return bp_sp;
|
|
}
|
|
|
|
|
|
int32_t
|
|
PlatformDarwin::GetResumeCountForLaunchInfo (ProcessLaunchInfo &launch_info)
|
|
{
|
|
const FileSpec &shell = launch_info.GetShell();
|
|
if (!shell)
|
|
return 1;
|
|
|
|
std::string shell_string = shell.GetPath();
|
|
const char *shell_name = strrchr (shell_string.c_str(), '/');
|
|
if (shell_name == NULL)
|
|
shell_name = shell_string.c_str();
|
|
else
|
|
shell_name++;
|
|
|
|
if (strcmp (shell_name, "sh") == 0)
|
|
{
|
|
// /bin/sh re-exec's itself as /bin/bash requiring another resume.
|
|
// But it only does this if the COMMAND_MODE environment variable
|
|
// is set to "legacy".
|
|
const char **envp = launch_info.GetEnvironmentEntries().GetConstArgumentVector();
|
|
if (envp != NULL)
|
|
{
|
|
for (int i = 0; envp[i] != NULL; i++)
|
|
{
|
|
if (strcmp (envp[i], "COMMAND_MODE=legacy" ) == 0)
|
|
return 2;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
else if (strcmp (shell_name, "csh") == 0
|
|
|| strcmp (shell_name, "tcsh") == 0
|
|
|| strcmp (shell_name, "zsh") == 0)
|
|
{
|
|
// csh and tcsh always seem to re-exec themselves.
|
|
return 2;
|
|
}
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
PlatformDarwin::CalculateTrapHandlerSymbolNames ()
|
|
{
|
|
m_trap_handlers.push_back (ConstString ("_sigtramp"));
|
|
}
|
|
|
|
|
|
static const char *const sdk_strings[] = {
|
|
"MacOSX",
|
|
"iPhoneSimulator",
|
|
"iPhoneOS",
|
|
};
|
|
|
|
static FileSpec
|
|
CheckPathForXcode(const FileSpec &fspec)
|
|
{
|
|
if (fspec.Exists())
|
|
{
|
|
const char substr[] = ".app/Contents/";
|
|
|
|
std::string path_to_shlib = fspec.GetPath();
|
|
size_t pos = path_to_shlib.rfind(substr);
|
|
if (pos != std::string::npos)
|
|
{
|
|
path_to_shlib.erase(pos + strlen(substr));
|
|
FileSpec ret (path_to_shlib.c_str(), false);
|
|
|
|
FileSpec xcode_binary_path = ret;
|
|
xcode_binary_path.AppendPathComponent("MacOS");
|
|
xcode_binary_path.AppendPathComponent("Xcode");
|
|
|
|
if (xcode_binary_path.Exists())
|
|
{
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
return FileSpec();
|
|
}
|
|
|
|
static FileSpec
|
|
GetXcodeContentsPath ()
|
|
{
|
|
static FileSpec g_xcode_filespec;
|
|
static std::once_flag g_once_flag;
|
|
std::call_once(g_once_flag, []() {
|
|
|
|
|
|
FileSpec fspec;
|
|
|
|
// First get the program file spec. If lldb.so or LLDB.framework is running
|
|
// in a program and that program is Xcode, the path returned with be the path
|
|
// to Xcode.app/Contents/MacOS/Xcode, so this will be the correct Xcode to use.
|
|
fspec = HostInfo::GetProgramFileSpec();
|
|
|
|
if (fspec)
|
|
{
|
|
// Ignore the current binary if it is python.
|
|
std::string basename_lower = fspec.GetFilename ().GetCString ();
|
|
std::transform(basename_lower.begin (), basename_lower.end (), basename_lower.begin (), tolower);
|
|
if (basename_lower != "python")
|
|
{
|
|
g_xcode_filespec = CheckPathForXcode(fspec);
|
|
}
|
|
}
|
|
|
|
// Next check DEVELOPER_DIR environment variable
|
|
if (!g_xcode_filespec)
|
|
{
|
|
const char *developer_dir_env_var = getenv("DEVELOPER_DIR");
|
|
if (developer_dir_env_var && developer_dir_env_var[0])
|
|
{
|
|
g_xcode_filespec = CheckPathForXcode(FileSpec(developer_dir_env_var, true));
|
|
}
|
|
|
|
// Fall back to using "xcrun" to find the selected Xcode
|
|
if (!g_xcode_filespec)
|
|
{
|
|
int status = 0;
|
|
int signo = 0;
|
|
std::string output;
|
|
const char *command = "/usr/bin/xcode-select -p";
|
|
lldb_private::Error error = Host::RunShellCommand (command, // shell command to run
|
|
NULL, // current working directory
|
|
&status, // Put the exit status of the process in here
|
|
&signo, // Put the signal that caused the process to exit in here
|
|
&output, // Get the output from the command and place it in this string
|
|
3); // Timeout in seconds to wait for shell program to finish
|
|
if (status == 0 && !output.empty())
|
|
{
|
|
size_t first_non_newline = output.find_last_not_of("\r\n");
|
|
if (first_non_newline != std::string::npos)
|
|
{
|
|
output.erase(first_non_newline+1);
|
|
}
|
|
output.append("/..");
|
|
|
|
g_xcode_filespec = CheckPathForXcode(FileSpec(output.c_str(), false));
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
return g_xcode_filespec;
|
|
}
|
|
|
|
bool
|
|
PlatformDarwin::SDKSupportsModules (SDKType sdk_type, uint32_t major, uint32_t minor, uint32_t micro)
|
|
{
|
|
switch (sdk_type)
|
|
{
|
|
case SDKType::MacOSX:
|
|
if (major > 10 || (major == 10 && minor >= 10))
|
|
return true;
|
|
break;
|
|
case SDKType::iPhoneOS:
|
|
case SDKType::iPhoneSimulator:
|
|
if (major >= 8)
|
|
return true;
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
PlatformDarwin::SDKSupportsModules (SDKType desired_type, const FileSpec &sdk_path)
|
|
{
|
|
ConstString last_path_component = sdk_path.GetLastPathComponent();
|
|
|
|
if (last_path_component)
|
|
{
|
|
const llvm::StringRef sdk_name = last_path_component.GetStringRef();
|
|
|
|
llvm::StringRef version_part;
|
|
|
|
if (sdk_name.startswith(sdk_strings[(int)desired_type]))
|
|
{
|
|
version_part = sdk_name.drop_front(strlen(sdk_strings[(int)desired_type]));
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
|
|
const size_t major_dot_offset = version_part.find('.');
|
|
if (major_dot_offset == llvm::StringRef::npos)
|
|
return false;
|
|
|
|
const llvm::StringRef major_version = version_part.slice(0, major_dot_offset);
|
|
const llvm::StringRef minor_part = version_part.drop_front(major_dot_offset + 1);
|
|
|
|
const size_t minor_dot_offset = minor_part.find('.');
|
|
if (minor_dot_offset == llvm::StringRef::npos)
|
|
return false;
|
|
|
|
const llvm::StringRef minor_version = minor_part.slice(0, minor_dot_offset);
|
|
|
|
unsigned int major = 0;
|
|
unsigned int minor = 0;
|
|
unsigned int micro = 0;
|
|
|
|
if (major_version.getAsInteger(10, major))
|
|
return false;
|
|
|
|
if (minor_version.getAsInteger(10, minor))
|
|
return false;
|
|
|
|
return SDKSupportsModules(desired_type, major, minor, micro);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
FileSpec::EnumerateDirectoryResult
|
|
PlatformDarwin::DirectoryEnumerator(void *baton,
|
|
FileSpec::FileType file_type,
|
|
const FileSpec &spec)
|
|
{
|
|
SDKEnumeratorInfo *enumerator_info = static_cast<SDKEnumeratorInfo*>(baton);
|
|
|
|
if (SDKSupportsModules(enumerator_info->sdk_type, spec))
|
|
{
|
|
enumerator_info->found_path = spec;
|
|
return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
return FileSpec::EnumerateDirectoryResult::eEnumerateDirectoryResultNext;
|
|
}
|
|
|
|
FileSpec
|
|
PlatformDarwin::FindSDKInXcodeForModules (SDKType sdk_type,
|
|
const FileSpec &sdks_spec)
|
|
{
|
|
// Look inside Xcode for the required installed iOS SDK version
|
|
|
|
if (!sdks_spec.IsDirectory())
|
|
return FileSpec();
|
|
|
|
const bool find_directories = true;
|
|
const bool find_files = false;
|
|
const bool find_other = true; // include symlinks
|
|
|
|
SDKEnumeratorInfo enumerator_info;
|
|
|
|
enumerator_info.sdk_type = sdk_type;
|
|
|
|
FileSpec::EnumerateDirectory(sdks_spec.GetPath().c_str(),
|
|
find_directories,
|
|
find_files,
|
|
find_other,
|
|
DirectoryEnumerator,
|
|
&enumerator_info);
|
|
|
|
if (enumerator_info.found_path.IsDirectory())
|
|
return enumerator_info.found_path;
|
|
else
|
|
return FileSpec();
|
|
}
|
|
|
|
FileSpec
|
|
PlatformDarwin::GetSDKDirectoryForModules (SDKType sdk_type)
|
|
{
|
|
switch (sdk_type)
|
|
{
|
|
case SDKType::MacOSX:
|
|
case SDKType::iPhoneSimulator:
|
|
case SDKType::iPhoneOS:
|
|
break;
|
|
}
|
|
|
|
FileSpec sdks_spec = GetXcodeContentsPath();
|
|
sdks_spec.AppendPathComponent("Developer");
|
|
sdks_spec.AppendPathComponent("Platforms");
|
|
|
|
switch (sdk_type)
|
|
{
|
|
case SDKType::MacOSX:
|
|
sdks_spec.AppendPathComponent("MacOSX.platform");
|
|
break;
|
|
case SDKType::iPhoneSimulator:
|
|
sdks_spec.AppendPathComponent("iPhoneSimulator.platform");
|
|
break;
|
|
case SDKType::iPhoneOS:
|
|
sdks_spec.AppendPathComponent("iPhoneOS.platform");
|
|
break;
|
|
}
|
|
|
|
sdks_spec.AppendPathComponent("Developer");
|
|
sdks_spec.AppendPathComponent("SDKs");
|
|
|
|
if (sdk_type == SDKType::MacOSX)
|
|
{
|
|
uint32_t major = 0;
|
|
uint32_t minor = 0;
|
|
uint32_t micro = 0;
|
|
|
|
if (HostInfo::GetOSVersion(major, minor, micro))
|
|
{
|
|
if (SDKSupportsModules(SDKType::MacOSX, major, minor, micro))
|
|
{
|
|
// We slightly prefer the exact SDK for this machine. See if it is there.
|
|
|
|
FileSpec native_sdk_spec = sdks_spec;
|
|
StreamString native_sdk_name;
|
|
native_sdk_name.Printf("MacOSX%u.%u.sdk", major, minor);
|
|
native_sdk_spec.AppendPathComponent(native_sdk_name.GetString().c_str());
|
|
|
|
if (native_sdk_spec.Exists())
|
|
{
|
|
return native_sdk_spec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return FindSDKInXcodeForModules(sdk_type, sdks_spec);
|
|
}
|
|
|
|
void
|
|
PlatformDarwin::AddClangModuleCompilationOptionsForSDKType (Target *target, std::vector<std::string> &options, SDKType sdk_type)
|
|
{
|
|
const std::vector<std::string> apple_arguments =
|
|
{
|
|
"-x", "objective-c++",
|
|
"-fobjc-arc",
|
|
"-fblocks",
|
|
"-D_ISO646_H",
|
|
"-D__ISO646_H"
|
|
};
|
|
|
|
options.insert(options.end(),
|
|
apple_arguments.begin(),
|
|
apple_arguments.end());
|
|
|
|
StreamString minimum_version_option;
|
|
uint32_t versions[3] = { 0, 0, 0 };
|
|
bool use_current_os_version = false;
|
|
switch (sdk_type)
|
|
{
|
|
case SDKType::iPhoneOS:
|
|
#if defined (__arm__) || defined (__arm64__) || defined (__aarch64__)
|
|
use_current_os_version = true;
|
|
#else
|
|
use_current_os_version = false;
|
|
#endif
|
|
break;
|
|
|
|
case SDKType::iPhoneSimulator:
|
|
use_current_os_version = false;
|
|
break;
|
|
|
|
case SDKType::MacOSX:
|
|
#if defined (__i386__) || defined (__x86_64__)
|
|
use_current_os_version = true;
|
|
#else
|
|
use_current_os_version = false;
|
|
#endif
|
|
break;
|
|
}
|
|
|
|
bool versions_valid = false;
|
|
if (use_current_os_version)
|
|
versions_valid = GetOSVersion(versions[0], versions[1], versions[2]);
|
|
else if (target)
|
|
{
|
|
// Our OS doesn't match our executable so we need to get the min OS version from the object file
|
|
ModuleSP exe_module_sp = target->GetExecutableModule();
|
|
if (exe_module_sp)
|
|
{
|
|
ObjectFile *object_file = exe_module_sp->GetObjectFile();
|
|
if (object_file)
|
|
versions_valid = object_file->GetMinimumOSVersion(versions, 3) > 0;
|
|
}
|
|
}
|
|
// Only add the version-min options if we got a version from somewhere
|
|
if (versions_valid && versions[0] != UINT32_MAX)
|
|
{
|
|
// Make any invalid versions be zero if needed
|
|
if (versions[1] == UINT32_MAX)
|
|
versions[1] = 0;
|
|
if (versions[2] == UINT32_MAX)
|
|
versions[2] = 0;
|
|
|
|
switch (sdk_type)
|
|
{
|
|
case SDKType::iPhoneOS:
|
|
minimum_version_option.PutCString("-mios-version-min=");
|
|
minimum_version_option.PutCString(clang::VersionTuple(versions[0], versions[1], versions[2]).getAsString().c_str());
|
|
break;
|
|
case SDKType::iPhoneSimulator:
|
|
minimum_version_option.PutCString("-mios-simulator-version-min=");
|
|
minimum_version_option.PutCString(clang::VersionTuple(versions[0], versions[1], versions[2]).getAsString().c_str());
|
|
break;
|
|
case SDKType::MacOSX:
|
|
minimum_version_option.PutCString("-mmacosx-version-min=");
|
|
minimum_version_option.PutCString(clang::VersionTuple(versions[0], versions[1], versions[2]).getAsString().c_str());
|
|
}
|
|
options.push_back(minimum_version_option.GetString());
|
|
}
|
|
|
|
FileSpec sysroot_spec;
|
|
// Scope for mutex locker below
|
|
{
|
|
std::lock_guard<std::mutex> guard(m_mutex);
|
|
sysroot_spec = GetSDKDirectoryForModules(sdk_type);
|
|
}
|
|
|
|
if (sysroot_spec.IsDirectory())
|
|
{
|
|
options.push_back("-isysroot");
|
|
options.push_back(sysroot_spec.GetPath());
|
|
}
|
|
}
|
|
|
|
ConstString
|
|
PlatformDarwin::GetFullNameForDylib (ConstString basename)
|
|
{
|
|
if (basename.IsEmpty())
|
|
return basename;
|
|
|
|
StreamString stream;
|
|
stream.Printf("lib%s.dylib", basename.GetCString());
|
|
return ConstString(stream.GetData());
|
|
}
|
|
|
|
bool
|
|
PlatformDarwin::GetOSVersion (uint32_t &major,
|
|
uint32_t &minor,
|
|
uint32_t &update,
|
|
Process *process)
|
|
{
|
|
if (process && strstr(GetPluginName().GetCString(), "-simulator"))
|
|
{
|
|
lldb_private::ProcessInstanceInfo proc_info;
|
|
if (Host::GetProcessInfo(process->GetID(), proc_info))
|
|
{
|
|
Args &env = proc_info.GetEnvironmentEntries();
|
|
const size_t n = env.GetArgumentCount();
|
|
const llvm::StringRef k_runtime_version("SIMULATOR_RUNTIME_VERSION=");
|
|
const llvm::StringRef k_dyld_root_path("DYLD_ROOT_PATH=");
|
|
std::string dyld_root_path;
|
|
|
|
for (size_t i=0; i<n; ++i)
|
|
{
|
|
const char *env_cstr = env.GetArgumentAtIndex(i);
|
|
if (env_cstr)
|
|
{
|
|
llvm::StringRef env_str(env_cstr);
|
|
if (env_str.startswith(k_runtime_version))
|
|
{
|
|
llvm::StringRef version_str(env_str.substr(k_runtime_version.size()));
|
|
Args::StringToVersion (version_str.data(), major, minor, update);
|
|
if (major != UINT32_MAX)
|
|
return true;
|
|
}
|
|
else if (env_str.startswith(k_dyld_root_path))
|
|
{
|
|
dyld_root_path = env_str.substr(k_dyld_root_path.size()).str();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!dyld_root_path.empty())
|
|
{
|
|
dyld_root_path += "/System/Library/CoreServices/SystemVersion.plist";
|
|
ApplePropertyList system_version_plist(dyld_root_path.c_str());
|
|
std::string product_version;
|
|
if (system_version_plist.GetValueAsString("ProductVersion", product_version))
|
|
{
|
|
Args::StringToVersion (product_version.c_str(), major, minor, update);
|
|
return major != UINT32_MAX;
|
|
}
|
|
}
|
|
|
|
}
|
|
// For simulator platforms, do NOT call back through Platform::GetOSVersion()
|
|
// as it might call Process::GetHostOSVersion() which we don't want as it will be
|
|
// incorrect
|
|
return false;
|
|
}
|
|
|
|
return Platform::GetOSVersion(major, minor, update, process);
|
|
}
|
|
|
|
lldb_private::FileSpec
|
|
PlatformDarwin::LocateExecutable (const char *basename)
|
|
{
|
|
// A collection of SBFileSpec whose SBFileSpec.m_directory members are filled in with
|
|
// any executable directories that should be searched.
|
|
static std::vector<FileSpec> g_executable_dirs;
|
|
|
|
// Find the global list of directories that we will search for
|
|
// executables once so we don't keep doing the work over and over.
|
|
static std::once_flag g_once_flag;
|
|
std::call_once(g_once_flag, []() {
|
|
|
|
// When locating executables, trust the DEVELOPER_DIR first if it is set
|
|
FileSpec xcode_contents_dir = GetXcodeContentsPath();
|
|
if (xcode_contents_dir)
|
|
{
|
|
FileSpec xcode_lldb_resources = xcode_contents_dir;
|
|
xcode_lldb_resources.AppendPathComponent("SharedFrameworks");
|
|
xcode_lldb_resources.AppendPathComponent("LLDB.framework");
|
|
xcode_lldb_resources.AppendPathComponent("Resources");
|
|
if (xcode_lldb_resources.Exists())
|
|
{
|
|
FileSpec dir;
|
|
dir.GetDirectory().SetCString(xcode_lldb_resources.GetPath().c_str());
|
|
g_executable_dirs.push_back(dir);
|
|
}
|
|
}
|
|
});
|
|
|
|
// Now search the global list of executable directories for the executable we
|
|
// are looking for
|
|
for (const auto &executable_dir : g_executable_dirs)
|
|
{
|
|
FileSpec executable_file;
|
|
executable_file.GetDirectory() = executable_dir.GetDirectory();
|
|
executable_file.GetFilename().SetCString(basename);
|
|
if (executable_file.Exists())
|
|
return executable_file;
|
|
}
|
|
|
|
return FileSpec();
|
|
}
|